25G ER SFP28 1310nm 30km DOM Duplex LC SMF Transceiver
SFP28-25-13-30(ER)-LCD
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| SPECIFICATIONS | |||
|---|---|---|---|
| Product Model | SFP28-25-13-30(ER)-LCD | Manufacturer Brand | PHILISUN |
| Package Type | SFP28 | Optical Connector | Duplex LC |
| Max Data Rate | 25.78G | Channel Data Rate | 10.31Gbps |
| Effective Transmission Distance | 30km | ||
| Wavelength | 1310nm | Operating Voltage | 3.3V |
| Fiber Type | SMF | Core Size | 9/125µm |
| Transmitter Type | EML | Receiver Type | APD |
| TX Power | 0~6dBm | Receiver Sensitivity | <-19dBm |
| Digital Optical Monitoring(DOM) | YES | Receiver Overload | -5dBm |
| Power Consumption | ≤1.5W | Protocols | MSA, CPRI, eCPRI1 |
| Operating Temperature(Commercial) | 0℃~+70℃ | Storage Temperature(Commercial) | -40℃~+85℃ |
PRODUCT PRESENTATION
The PHILISUN SFP28 25G 1310nm 30km ER LC DX transceiver is specifically designed for Ethernet links, supporting data rates of up to 25.78 Gb/s and a transmission distance of up to 30km without FEC. It adheres to SFF-8472 standards and is compatible with SFF-8432 and relevant sections of SFF-8431. Additionally, the product is RoHS-compliant and lead-free in accordance with Directive 2011/96/EU.
TRANSCEIVER SERIES PRODUCTS
PRODUCTION & TESTING EQUIPMENT
PERFORMANCE PARAMETER
| Absolute Maximum Ratings | |||||||||
| Parameter | Symbol | Min. | Typ. | Max. | Unit | ||||
| Storage temperature | TS | -40 | – | 85 | °C | ||||
| Case operating temperature | TA | 0 | – | 70 | °C | ||||
| Maximum supply voltage | Vcc | 0 | – | 3.6 | V | ||||
| Relative humidity | RH | 0 | – | 85 | % | ||||
| Electrical Characteristics | |||||||||
| Parameter | Symbol | Min. | Typ. | Max. | Unit | Note | |||
| Supply voltage | VCC | 3.15 | – | 3.46 | V | – | |||
| Supply current | Icc | – | – | 450 | mA | – | |||
| Power consumption | P | – | – | 1.5 | W | – | |||
| Data rate | R | – | 25.8 | – | Gb/s | – | |||
| Transmitter | |||||||||
| Input differential impedance | Rin | – | 100 | – | Ω | 1 | |||
| Differential input voltage swing | Vin,pp | 180 | – | 700 | mV | 2 | |||
| Transmit disable voltage | VD | 2 | – | Vcc | V | 3 | |||
| Transmit enable voltage | VEN | Vee | – | Vee+0.8 | V | – | |||
| Receiver | |||||||||
| Single ended output voltage tolerance |
V | -0.3 | – | 4 | V | – | |||
| Rx output diff voltage | Vo | 185 | – | 800 | mV | – | |||
| LOS fault | VLOS fault | 2 | – | VccHOST | V | 4 | |||
| LOS normal | VLOS norm | Vee | – | Vee+0.8 | V | 4 | |||
| Notes: 1.Connected directly to TX data input pins. AC coupling from pins into laser driver IC. 2.Per SFF-8431 Rev 3.0 3.Into 100 ohms differential termination. 4.LOS is an open collector output. Should be pulled up with 4.7k – 10kΩ on the host board. Normal operation is logic 0; loss of signal is logic 1. Maximum pull-up voltage is 5.5V. |
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| Optical Characteristics | |||||||||
| Parameter | Symbol | Min. | Typ. | Max | Unit | Notes | |||
| Transmitter | |||||||||
| Center wavelength | λt | 1295 | – | 1325 | nm | – | |||
| Spectral width | △λ | – | – | 1 | nm | – | |||
| Average optical power | Pavg | 0 | – | +6 | dBm | 1 | |||
| Laser off power | Poff | – | – | -30 | dBm | – | |||
| Side mode suppression ratio | – | 30 | – | – | – | – | |||
| Extinction ratio | ER | 4 | – | – | dB | – | |||
| Optical return loss tolerance | – | – | – | -12 | dB | – | |||
| Receiver | |||||||||
| Center wavelength | λr | 1260 | – | 1370 | nm | – | |||
| Receiver sensitivity | Sen | – | – | -19 | dBm | 2 | |||
| Los assert | LOSA | -30 |
–
|
– | dBm | – | |||
| Los dessert | LOSD | – | – | -19 | dBm | – | |||
| Los hysteresis | LOSH | 0.5 | – |
–
|
dB | – | |||
| Overload | – | -6 | – | – | dBm | – | |||
| Notes: 1.Average power figures are informative only, per IEEE802.3CC. 2.Receiver sensitivity is informative. Shall be measured with conformance test signal for . BER =5x 10-5. |
|||||||||
| Optical Transmitter/Receiver Characteristics | |||||||||
| Parameter | Symbol | Unit | Min. | Typ. | Max. | Note | |||
| Transmitter | |||||||||
| Center wavelength | λ | nm | 1295 | 1310 | 1325 | – | |||
| Data rate | B | Gb/s | – | 25.78 | – | – | |||
| Output Spectral Width | λ(-20dB) | nm | – | – | 1 | – | |||
| Optical output power | Po | dBm | -7 | – | 2 | – | |||
| Extinction ratio | ER | dB | 3.5 | – | – | – | |||
| Transmitterand dispersion penalty | TDP | dB | – | – | 3.2 | – | |||
| Receiver | |||||||||
| Operating Wavelength | λ | nm | 1260 | – | 1355 | – | |||
| Overload | – | dBm | 2 | – | – | – | |||
| Receiver sensitivity (OMA) | POMA | dBm | – | – | -11.3 | – | |||
| Optical return loss | ORL | dB | – | – | -26 | – | |||
| Signal detect threshold-de-assert | SD | dBm | – | – | -14 | – | |||
| LOS hysteresis | – | dB | 0.5 | – | – | – | |||
| Timing Characteristics | |||||||||
| Parameter | Symbol | Min. | Typ. | Max. | Unit | ||||
| TX_disable assert time | t_off | – | – | 100 | us | ||||
| TX_disable negate time | t_on | – | – | 2 | ms | ||||
| Time to initialize 2-wire interface | t_2w_start_up | – | – | 300 | ms | ||||
| Time to initialize | t_start_up | – | – | 300 | ms | ||||
| Time to initialize cooled module and time to power up a cooled module to power level II | t_start_up_cooled | – | – | 90 | s | ||||
| Time to power up to level II | t_power_level2 | – | – | 300 | ms | ||||
| Time to power down from level II | t_power_down | – | – | 300 | ms | ||||
| Tx_fault assert | Tx_Fault_on | – | – | 1 | ms | ||||
| Tx_fault assert for cooled module | Tx_Fault_on_cooled | – | – | 50 | ms | ||||
| TX_FAULT reset | t_reset | 10 | – | – | us | ||||
| Rx_LOS assert delay | t_los_on | – | – | 100 | us | ||||
| Rx_LOS negate delay | t_los_off | – | – | 100 | us | ||||
| Digital Diagnostic Specifications | |||||||||
| Parameter | Symbol | Min. | Max. | Accuracy | Unit | ||||
| Transceiver temperature | T | 0 | +70 | ±3.0°C | °C | ||||
| Transceiver supply voltage | DDVoltage | 3.15 | 3.45 | ±3% | V | ||||
| Transmitter bias current | DDBias | 0 | 35 | ±10% | mA | ||||
| Transmitter output power | DDTx-Power | -5 | +5 | ±2dB | dBm | ||||
| Receiver average optical input power | DDRx-Power | -16 | -3 | ±2dB | dBm | ||||
PIN DESCRIPTION
Diagram of Host Board Connector Block Pin Numbers and Names
| Pin | Symbol | Name/Description | Plug Seq. | ||||||
| 1 | VeeT | Module transmitter ground | 1 | ||||||
| 2 | TX fault | Module transmitter fault | 2 | ||||||
| 3 | TX disable | Transmitter disable; turns off transmitter laser output | 3 | ||||||
| 4 | SDL | 2 wire serial interface data input/output (SDA) | 4 | ||||||
| 5 | SCL | 2 wire serial interface clock input (SCL) | 4 | ||||||
| 6 | MOD_ABS | Module absent, connect to VeeR or VeeT in the module | 2 | ||||||
| 7 | RS0 | Rate select0: module inputs and are pulled low to VeeT with >30kΩ resistorsin the module. | – | ||||||
| 8 | LOS | Receiver Loss of signal indication | – | ||||||
| 9 | RS1 | Rate select1: module inputs and are pulled low to VeeT with >30kΩ resistorsin the module. | – | ||||||
| 10 | VeeR | Module receiver ground | 1 | ||||||
| 11 | VeeR | Module receiver ground | 1 | ||||||
| 12 | RD- | Receiver inverted data out put | – | ||||||
| 13 | RD+ | Receiver non-inverted data out put | – | ||||||
| 14 | VeeR | Module receiver ground | 1 | ||||||
| 15 | VccR |
Module receiver 3.3V supply
|
– | ||||||
| 16 | VccT | Module transmitter 3.3V supply | – | ||||||
| 17 | VeeT | Module transmitter ground | 1 | ||||||
| 18 | TD+ | Transmitter non-inverted data out put | – | ||||||
| 19 | TD- | Transmitter inverted data out put | – | ||||||
| 20 | VeeT | Module transmitter ground | 1 | ||||||
| Notes: 1.The module ground pins shall be isolated from the module case. 2.This pin is an open collector/drain output pin and shall be pulled up with 4.7K-10Kohms to Host_Vcc on the host board. 3.This pin shall be pulled up with 4.7K-10Kohms to VccT in the module. 4.This pin is an open collector/drain output pin and shall be pulled up with 4.7K-10Kohms to Host_Vcc on the host board. |
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